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AWS BAg-2a vs. A384.0 Aluminum

AWS BAg-2a belongs to the otherwise unclassified metals classification, while A384.0 aluminum belongs to the aluminum alloys. There are 17 material properties with values for both materials. Properties with values for just one material (14, in this case) are not shown. Please note that the two materials have significantly dissimilar densities. This means that additional care is required when interpreting the data, because some material properties are based on units of mass, while others are based on units of area or volume.

For each property being compared, the top bar is AWS BAg-2a and the bottom bar is A384.0 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 83
74
Poisson's Ratio 0.32
0.33
Shear Modulus, GPa 31
28
Tensile Strength: Ultimate (UTS), MPa 170
330

Thermal Properties

Latent Heat of Fusion, J/g 130
550
Melting Completion (Liquidus), °C 710
610
Melting Onset (Solidus), °C 610
510
Specific Heat Capacity, J/kg-K 310
880
Thermal Expansion, µm/m-K 23
21

Otherwise Unclassified Properties

Density, g/cm3 8.8
2.8
Embodied Carbon, kg CO2/kg material 30
7.5
Embodied Energy, MJ/kg 470
140

Common Calculations

Stiffness to Weight: Axial, points 5.2
15
Stiffness to Weight: Bending, points 17
50
Strength to Weight: Axial, points 5.4
32
Strength to Weight: Bending, points 7.8
38
Thermal Shock Resistance, points 6.5
15

Alloy Composition

Aluminum (Al), % 0
79.3 to 86.5
Cadmium (Cd), % 19 to 21
0
Copper (Cu), % 26 to 28
3.0 to 4.5
Iron (Fe), % 0
0 to 1.3
Magnesium (Mg), % 0
0 to 0.1
Manganese (Mn), % 0
0 to 0.5
Nickel (Ni), % 0
0 to 0.5
Silicon (Si), % 0
10.5 to 12
Silver (Ag), % 29 to 31
0
Tin (Sn), % 0
0 to 0.35
Zinc (Zn), % 21 to 25
0 to 1.0
Residuals, % 0
0 to 0.5